CN1271334C - Emulsified liquid pump having five-plunger four-bearing structure - Google Patents
Emulsified liquid pump having five-plunger four-bearing structure Download PDFInfo
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- CN1271334C CN1271334C CN 200310108209 CN200310108209A CN1271334C CN 1271334 C CN1271334 C CN 1271334C CN 200310108209 CN200310108209 CN 200310108209 CN 200310108209 A CN200310108209 A CN 200310108209A CN 1271334 C CN1271334 C CN 1271334C
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- Prior art keywords
- axle
- plunger
- pump
- bent axle
- casing
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- 239000007788 liquid Substances 0.000 title claims abstract description 51
- 239000003921 oil Substances 0.000 claims abstract description 21
- 239000010687 lubricating oil Substances 0.000 claims abstract description 8
- 230000033001 locomotion Effects 0.000 claims abstract description 5
- 239000000839 emulsion Substances 0.000 claims description 9
- 241000239290 Araneae Species 0.000 claims description 8
- 230000008676 import Effects 0.000 claims description 8
- 230000008093 supporting effect Effects 0.000 claims description 8
- 239000000314 lubricant Substances 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 2
- 230000001050 lubricating effect Effects 0.000 abstract description 2
- 239000003245 coal Substances 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000003190 augmentative effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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- Reciprocating Pumps (AREA)
- Rotary Pumps (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The present invention discloses an emulsified liquid pump with a five-plunger four-support structure, which comprises a box body, a crank shaft, a crank, a slide block, plungers, a cylinder sleeve, a liquid suction valve block, a liquid discharge valve block, etc. Both ends of the crank shaft are supported by two bearings, the corresponding position of the bottom of the box body is additionally provided with two bearings and is supported by the bearings, a mounting surface of the emulsified liquid pump with a five-plunger four-support structure forms the included angle of 35 DEG with the direction of the movement of the plungers, and main stress direction is avoided. An end cover of a speed reduction gear box is provided with a lubricating oil gear pump, the center of the crank shaft is provided with a lubricating oil path, the position of the crank shaft corresponding to five inflection shafts is provided with oil outlets in centripetal direction, and a loop forms a forced lubricating system. The emulsified liquid pump with a five-plunger four-support structure has the advantages of good crank shaft stress state and strong load carrying capability and can provide oversize emulsified liquid flow output under the condition of the same crank shaft strength.
Description
Technical field
The present invention relates to drive the device of workpiece, relate in particular to a kind of emulsified liquid plunger pump.
Background technique
Homemade GRB315/31.5 type emulsion pump adopts the structure of two bearings of five plungers, and the rated flow of this pump is 315L/min.And, the advancing velocity of coal-face hydraulic support is had higher requirement along with the raising of performing comprehensive coal mining machineryization level.For increasing flux of emulsion pump, its means are the plunger quantity that increases in the plunges pump body, diameter, stroke.But the plunger quantity and the stroke of emulsion pump reach the limit of, must increase the diameter of plunger for augmented flow, but the structure of two bearings of present five plungers, make the stressed obvious increase of bent axle and become very complicated, for reaching design strength, must increase the size of bent axle, so just make pumping plant more and more heavier.
Summary of the invention
In order to solve present bent axle size and pump, the object of the present invention is to provide a kind of emulsion pump of five plungers, four supporting structures to the contradiction that the super-flow direction develops.This pump structure is reasonable, and pump housing inside crankshaft stressing conditions is good, and bearing capacity is strong.
In order to achieve the above object, the technical solution used in the present invention is that it comprises:
1) is contained in input shaft in the gear reduction box, that an end is connected with motor, the other end is connected with reduction gear through gear, reduction gear is contained in an end of bent axle, being contained in bent axle in the casing is provided with five sections and turns axle, turning axle links to each other with slide block by crank respectively, slide block links to each other with plunger, and the other end of plunger places among the cylinder sleeve, and cylinder sleeve is installed in the connection place of casing and liquid suction valve piece, be fixed by the liquid suction valve piece, crankshaft two end respectively is equipped with a bearing;
2) the lubricant oil gear pump is housed on the end cap of gear reduction box, gear pump shaft is connected by shaft joint with bent axle, the gear pump import connects casing, its outlet links to each other with heat dissipating pipe import in being installed in the emulsified liquid admission chamber by first high-pressure oil pipe, crankshaft center has lubricating oil path, the one end links to each other with the outlet of heat dissipating pipe by second high-pressure oil pipe, bent axle turns on the corresponding position of axle with five, all has oil outlet at centripetal direction;
3) corresponding with each plunger, independently liquid suction valve piece is installed on the casing, the liquid entering hole of each liquid suction valve communicates with admission chamber on the casing respectively, and the liquid outlet of each valve then communicates with total liquid outlet of pump by the liquid collecting piece back that communicates with each other;
It is characterized in that: two of bent axle centres are turned two bearings in addition are housed on the corresponding position of axle; Middle two bearings in addition are installed in respectively in the bottom half bearing spider, are fastened by two bearing cap lids.
The attachment face of bottom half bearing spider and bearing cap and plunger motion angular separation are 35 °.
The said axle that turns distributes alternately with the angle such as grade on circumference, and every adjacent angle that turns axle is 144 °.
The useful effect that the present invention has is, owing to adopted the crankshaft installed structure of four bearings supportings of five plungers, changed the stressing conditions of bent axle, improved bearing capacity; Adopt gear pump pressure lubrication, improve the operating life of bent axle, crank greatly.This pump structure is reasonable, and pump housing inside crankshaft stressing conditions is good, and bearing capacity is strong, and the life-span is long, under identical crankshaft strength condition, makes pump have the super large rated flow of 500L/min by increasing sectional area of plunger, can satisfy the requirement of comprehensive mechanical coal mining.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
The structural principle sectional view that Fig. 1 is;
Fig. 2 is the A-A sectional view of Fig. 1.
Among the figure, 1. casing, 2. bearing, 3. lubricating oil path, 4. oil outlet, 5. bearing, 6. bearing, 7. bent axle, 8. bearing, 9. reduction gear, 10. gear reduction box, 11. shaft joints, 12. gear pumps, 13. input shafts, 14. high-pressure oil pipe, 15. total liquid outlets, 16. heat dissipating pipes, 17. high-pressure oil pipes, 18. the liquid suction valve piece, 19. cylinder sleeves, 20. plungers, 21. liquid collecting pieces, 22. slide block, 23. cranks, 24. bearing caps, 25. bearing spiders.
Embodiment
As shown in Figure 1 and Figure 2, the present invention includes:
1) is contained in the gear reduction box 10, one end is connected with motor, the input shaft 13 that the other end is connected with reduction gear 9 through gear, reduction gear 9 is contained in an end of bent axle 7, being contained in bent axle 7 in the casing 1 is provided with 5 sections and turns axle, turning axle links to each other with slide block 22 by crank 23 respectively, slide block 22 links to each other with plunger 20, the other end of plunger 20 places among the cylinder sleeve 19, cylinder sleeve is installed in the connection place of casing 1 and liquid suction valve piece 18, be fixed by liquid suction valve piece 18, crankshaft two end is equipped with bearing 2 respectively, 8, bent axle 7 two of centres are turned on the corresponding position of axle bearing 5 are housed respectively, 6; Two bearings 5,6 are installed in respectively in the bottom half bearing spider 25, are fastened by two bearing caps, 24 lids;
2) lubricant oil gear pump 12 is housed on the end cap of gear reduction box 10,12 of gear pumps are connected by shaft joint 11 with bent axle 7, the gear pump import connects casing 1, its outlet links to each other with heat dissipating pipe 16 imports in being installed in the emulsified liquid admission chamber by first high-pressure oil pipe 14, bent axle 7 centers have lubricating oil path 3, the one end links to each other with the outlet of heat dissipating pipe 16 by second high-pressure oil pipe 17, bent axle 7 turns on the corresponding position of axle with five, all has oil outlet 4 at centripetal direction;
3) corresponding with each plunger 20, independently liquid suction valve piece 18 is installed on the casing, the liquid entering hole of each liquid suction valve communicates with admission chamber on the casing 1 respectively, and the liquid outlet of each liquid suction valve piece 18 then communicates with total liquid outlet 15 of pump by a liquid collecting piece 21 back that communicates with each other.
Working principle of the present invention is as follows:
The present invention includes a casing 1, exterior motor connects input shaft 13, by a pair of reduction gear 9 in the casing 1, gives bent axle 7 transmission of power.Bent axle 7 links to each other with slide block 22 by crank 23, and slide block 22 links to each other with plunger 20, drives plunger 20 motions.The other end of plunger 20 places among the cylinder sleeve 19, and cylinder sleeve 19 is installed in the connection place of casing 1 and liquid suction valve piece 18, is fixed by liquid suction valve piece 18.Plunger 20 moves repeatedly, under the cooperation of liquid suction valve piece 18, finishes imbibition and discharge opeing.Bent axle 7 is provided with five sections and turns axle, each section turns axle and distributes alternately with the angle such as grade on circumference, and every adjacent angle that turns axle is 144 °, and the big end of five cranks 23 and bent axle 7 be relatively turnable to be installed in five sections respectively and to turn on the axle, the connection that small end can be swung relatively with plunger 20 separately respectively.Bent axle 7 two ends are supported by bearing 2,8, and except that above-mentioned two supportings, two are turned and are provided with two bearings 5,6 on the corresponding position of axle in addition and support in the middle of casing 1 bottom and bent axle 7.Casing 1 bottom is provided with bearing spider 25, and middle two bearings 5,6 are installed in the bearing spider, and is fixing by two bearing caps that can dismantle separately 24.Its attachment face becomes 35 ° of angles with the plunger motion direction, that avoids bent axle mainly is subjected to force direction.The mounting structure of four bearing supportings improves significantly the stressing conditions of bent axle 7, under identical crankshaft strength condition, can bear bigger load.
Be provided with lubricant oil gear pump 12 on the end cap of gear reduction box 10, the axle of gear pump 12 connects by shaft joint 11 with bent axle 7.Gear pump 12 imports connect casing 1, its outlet links to each other with heat dissipating pipe 16 imports in being installed in the emulsified liquid admission chamber by high-pressure oil pipe 14.Bent axle 7 centers are provided with lubricating oil path 3, and the one end links to each other with the outlet of heat dissipating pipe 16 by second high-pressure oil pipe 17, turn on the corresponding position of axle at 5 on the bent axle, have oil outlet 4 at centripetal direction.The extreme pressure lubricant that gear pump 12 extrudes by heat dissipating pipe 16 heat radiations after, by the lubricating oil path 3 at bent axle 7 centers, turn oil outlet 4 on the axle through each and flow to the revolute pair that turns axle and crank respectively.Above-mentioned loop constitutes gear pump enforced lubricating system, can carry out efficient pressure to the revolute pair that turns a crank and lubricate, and can be provided greatly the working life of emulsion pump.
Match with each plunger 20, relatively independent liquid suction valve piece 18 is installed on the casing 1.The liquid entering hole of each liquid suction valve piece 18 communicates with admission chamber on the casing 1 respectively, and the liquid outlet of each liquid suction valve piece 18 then communicates with each other by a liquid collecting piece 21 and communicates with total liquid outlet 15 of pump after the liquid collecting.
Claims (3)
1, a kind of emulsion pump of five plungers, four supporting structures comprises:
1) is contained in the gear reduction box (10), one end is connected with motor, the input shaft (13) that the other end is connected with reduction gear (9) through gear, reduction gear (9) is contained in an end of bent axle (7), being contained in bent axle (7) in the casing (1) is provided with five sections and turns axle, turning axle links to each other with slide block (22) by crank (23) respectively, slide block (22) links to each other with plunger (20), the other end of plunger (20) places among the cylinder sleeve (19), cylinder sleeve is installed in the connection place of casing (1) and liquid suction valve piece (18), be fixed by liquid suction valve piece (18), a bearing (2 respectively is equipped with at bent axle (7) two ends, 8);
2) lubricant oil gear pump (12) is housed on the end cap of gear reduction box (10), gear pump (12) axle is connected by shaft joint (11) with bent axle (7), the gear pump import connects casing (1), its outlet links to each other with heat dissipating pipe (16) import in being installed in the emulsified liquid admission chamber by first high-pressure oil pipe (14), bent axle (7) center has lubricating oil path (3), the one end links to each other with the outlet of heat dissipating pipe (16) by second high-pressure oil pipe (17), bent axle (7) turns on the corresponding position of axle with five, all has oil outlet (4) at centripetal direction;
3) corresponding with each plunger (20), independently liquid suction valve piece (18) is installed on the casing, the liquid entering hole of each liquid suction valve communicates with admission chamber on the casing (1) respectively, and the liquid outlet of each valve then communicates with total liquid outlet (15) of pump by a liquid collecting piece (21) back that communicates with each other;
It is characterized in that: two of bent axle (7) centres are turned two bearings (5,6) in addition are housed on the corresponding position of axle; Middle two bearings (5,6) in addition are installed in respectively in the bottom half bearing spider (25), are fastened by two bearing caps (24) lid.
2, the emulsion pump of a kind of five plungers, four supporting structures according to claim 1 is characterized in that: the bearing spider (25) of casing (1) bottom is 35 ° with the attachment face and the plunger motion angular separation of bearing cap (24).
3, the emulsion pump of a kind of five plungers, four supporting structures according to claim 1 is characterized in that: the said axle that turns distributes alternately with the angle such as grade on circumference, and every adjacent angle that turns axle is 144 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310108209 CN1271334C (en) | 2003-10-23 | 2003-10-23 | Emulsified liquid pump having five-plunger four-bearing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310108209 CN1271334C (en) | 2003-10-23 | 2003-10-23 | Emulsified liquid pump having five-plunger four-bearing structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1538066A CN1538066A (en) | 2004-10-20 |
| CN1271334C true CN1271334C (en) | 2006-08-23 |
Family
ID=34334539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200310108209 Expired - Fee Related CN1271334C (en) | 2003-10-23 | 2003-10-23 | Emulsified liquid pump having five-plunger four-bearing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1271334C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105715480A (en) * | 2016-03-21 | 2016-06-29 | 浙江中煤机械科技有限公司 | Large-flow emulsion plunger pump and emulsion pump station |
| CN105626507A (en) * | 2016-03-21 | 2016-06-01 | 浙江中煤机械科技有限公司 | Five-plunger pump |
| CN105673385B (en) * | 2016-03-21 | 2019-02-12 | 浙江中煤机械科技有限公司 | A kind of emulsion plunger |
| CN108302033B (en) * | 2018-03-04 | 2024-05-14 | 太原理工大学 | Axial telescopic cylinder assembly of high water-based plunger type hydraulic pump |
| CN113958680A (en) * | 2021-10-26 | 2022-01-21 | 南京六煤机械有限公司 | Emulsion pump station based on symmetrical external hanging herringbone gear transmission |
| CN114001138A (en) * | 2021-10-26 | 2022-02-01 | 南京六煤机械有限公司 | Crankshaft based on multi-point support and large-flow emulsion pump station |
| CN114001020A (en) * | 2021-10-26 | 2022-02-01 | 南京六煤机械有限公司 | Novel large-flow emulsion pump station |
-
2003
- 2003-10-23 CN CN 200310108209 patent/CN1271334C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1538066A (en) | 2004-10-20 |
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